Home / 140,302.73-193,610.55-76,628.23

Finding the Fourth Proportional to 140,302.73, 193,610.55 and 76,628.23

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Solution

The fourth proportional to 140,302.73, 193,610.55 and 76,628.23 is: 105,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,302.73 : 193,610.55 = 76,628.23 : x
  2. Step 2: Convert to fraction form
    140,302.73/193,610.55 = 76,628.23/x
  3. Step 3: Cross multiply
    140,302.73x = 193,610.55 × 76,628.23
  4. Step 4: Simplify right side
    140,302.73x = 14,836,033,559.16
  5. Step 5: Solve for x
    x = 14,836,033,559.16/140,302.73
  6. Step 6: Final answer
    x = 105,743.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.